Chainring in aluminium alloy AL7075-T6, 3K glossy structural carbon fiber with Titanium Grade 5 pins. Outer gear with 53 teeth and BCD 110mm 4 arms. Compatible with Shimano Dura Ace FC-9100, Ultegra FC-8000 or SRM Origin 9100 cranksets and Shimano, SRAM and Campagnolo 10-11 speed groups. 100% made in Italy.
